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In an interview for a new documentary with Australian TV show Sunday Night , Ken said: "I knew that there was a possibility that one day an offspring may in future get a hold of this, and I really wanted to encourage them to pursue their dreams and also to perhaps pursue me."

On the form, he wrote: "Man cannot discover oceans unless he has the courage to lose sight of the shore.

“If you can, come find me.”

He carried on with his life, watching his own children grow into young adults, until one day in 2014 when he was on his lunch break at work he received a phone call.